NEW
Font size
WorksheetsELECTRICITY
Total questions: 25
Worksheet time: 13mins
Electricity is ____________________.
the movement of the sun
the movement of electrons
the movement of the moon
the movement of air
Which is the best example of electric energy being transformed into sound energy?
toaster
electric blanket
television
lamp
Which of these is the best example of electric energy being transformed into heat energy?
lamp
fan
telephone
toaster
Which is the best example of electrical energy being transformed into the energy of motion?
computer screen
digital clock
stove
fan
A ________________ circuit is a circuit in which electrical current can follow only one path.
parallel
series
silver
battery
______________ are materials that electrical current cannot pass through.
resistors
circuits
conductors
insulators
A complete pathway for the flow of electricity is called a ________________.
circuit
series
parallel
current
_______________ are materials that electrical current can pass easily through.
resistors
circuits
conductors
insulators
When a circuit is ______________, it is complete and there is no break in the path that the charges must follow.
open
closed
series
paralell
When a circuit is ____________ it is incomplete and charges can't flow through.
open
closed
series
parallel
Choose the things that use electricity!
What can we do to use electricity safely?
Do not put our finger or anything other than a plug into a socket
Touch a switch with wet hands
Use things with damaged wires
Which of these tools doesn't use electricity?
Why do electricians always wrap wires in plastic?
Plastic comes in many different colors
Plastic is a good electrical conductor
Plastic makes the wires easy to bend
Plastic is a good electrical insulator
Which of these materials is a good conductor of electricity?
Rubber
Metal
Newspaper
Glass
The student conducted an experiment with circuits. Why was the bulb bright when he closed the switch?
The switch produced an electric current
Closing the switch broke the circuit
Closing the switch completed the circuit
The switch did not make a difference
How can it be explained that someone's hair can stick to a balloon?
There is static electricity
There is too much dust in the air
A parallel circuit was too long
The person needs to wash his hair
A penny is an example of
An insulator
an electron
a proton
a conductor
The student arrived home and turned on a light switch, so she could see how to get to her bedroom. The switch allowed electricity to flow and was transformed into-
Light energy
mechanical energy
superior energy
radiant energy
Glass does not allow electricity to flow through it, so glass is a (n) ________________.
conductor
insulator
Copper allows electricity to flow through it, therefore it is a ______________________.
conductor
insulator
Nickel is a material that allows electricity to flow through it, so nickel is a ________________.
conductor
insulator
Rubber does not allow electricity to flow through it, so it is a _______________________________.
conductor
insulator
Cardboard does not allow electricity to flow, therefore cardboard is a(n) __________________.
conductor
insulator
Wood is does not allow heat or electricity to flow, so wood is a(n) ___________________,
conductor
insulator
